Letter Opener

Open Winmail.dat, MSG and XPS files

Working together with Windows users shouldn’t be problematic at all. Still, some email messages can not be natively read by the Mac and are packed into Winmail.dat or MSG files that have to be extracted and displayed somehow. Letter Opener for macOS does that with a simple double-click!

Letter Opener for macOS Mail

Stop the winmail.dat file flood for good

If winmail.dat files are a reoccurring problem, Letter Opener for macOS Mail is the solution. Installed into Mail it opens and displays the files directly inside Apple’s Mail application, so that they appear just like any other email. Forget about winmail.dat files entirely!

Letter Opener for iOS

Winmail.dat-viewing power on the go

Winmail.dat files that appear on iPhone, iPad or iPod touch don’t have to rely on office hours anymore. With Letter Opener for iOS you can stay in the loop, even when you don’t have access to a computer. View winmail.dat files contents and open ZIP files on the go!